{"product_id":"eaton-hmcp003a0y-3a-600v-3-pole-circuit-breaker","title":"Eaton HMCP003A0Y - 3 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton HMCP003A0Y\u003c\/strong\u003e is a \u003cem\u003e3 A, 600 V, 3-pole molded-case circuit breaker\u003c\/em\u003e purpose-built to deliver reliable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Designed with efficiency and safety in mind, this breaker fits seamlessly into Eaton’s OEM-panel ecosystems while offering solid protection for a range of applications.\u003c\/p\u003e \u003cp\u003eWhat makes this breaker stand out for real-world electrical protection:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e maximizes panel space and simplifies interior layouts, helping you fit more circuits without compromising protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e combines heat-driven, time-delayed protection with instantaneous magnetic response for fast clearing of high-energy faults, reducing damage to wiring and devices.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e tailored for three-phase panelboards and load centers, ideal for commercial and light-industrial environments while also supporting multi-pole protection in mixed-installation panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V rated\u003c\/strong\u003e with a 3 A current rating, giving you dependable protection for mid-voltage circuits and a clear, predictable trip characteristic under fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-ready compatibility\u003c\/strong\u003e designed to pair with matching Eaton panelboards and loadcenters for straightforward installation, fewer compatibility concerns, and streamlined maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applicability\u003c\/strong\u003e suitable for residential, commercial, and light-industrial projects where reliable overcurrent and short-circuit protection is essential—and where panel density and space efficiency matter.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eTechnical specifications at a glance help you verify fit and intent for your project:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HMCP003A0Y\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 3 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho benefits most from this breaker? electricians and facilities managers working in interconnected panel systems where space is at a premium and OEM compatibility matters. It’s particularly well-suited for installations in offices, retail spaces, small manufacturing setups, and updated or retrofit panels where a dependable 3-pole, 600 V protection device is required.\u003c\/p\u003e \u003cp\u003ePractical usage notes to keep projects running smoothly:\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePair with matching Eaton OEM load centers and panelboards to ensure electrical coordination and plug-and-play compatibility.\u003c\/li\u003e \u003cli\u003eRely on the thermal-magnetic trip for protection that remains consistent across a range of ambient temperatures and load profiles, reducing nuisance trips and maintenance needs.\u003c\/li\u003e \u003cli\u003eUse as part of a broader protection strategy in three-phase distribution schemes, where coordinated overcurrent protection minimizes fault energy and downstream damage.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn short, the Eaton HMCP003A0Y delivers precise, reliable three-phase protection in a compact form factor, engineered to fit seamlessly into Eaton panel ecosystems while providing clear, actionable protection for a wide array of commercial and lightweight industrial applications. When you need a dependable 3-pole, 3 A breaker that respects panel space and enhances protection reliability, this Eaton device is a well-matched choice for your electrical distribution needs.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349606846626,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-hmcp003a0y-3-a-600-v-pole-circuit-breaker-ampstate-breakers-914.webp?v=1788690823","url":"https:\/\/www.ampstate.com\/products\/eaton-hmcp003a0y-3a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}